21794175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7451}}^1$

素因数の和:7480

約数の個数: 36

約数和(自身を含む): 42044184

約数和(自身を除く): 20250009

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 7451, 22353, 37255, 67059, 96863, 111765, 186275, 290589, 335295, 484315, 558825, 871767, 1452945, 1676475, 2421575, 4358835, 7264725, 21794175]

約数ペア:

[(1, 21794175), (3, 7264725), (5, 4358835), (9, 2421575), (13, 1676475), (15, 1452945), (25, 871767), (39, 558825), (45, 484315), (65, 335295), (75, 290589), (117, 186275), (195, 111765), (225, 96863), (325, 67059), (585, 37255), (975, 22353), (2925, 7451)]